Qt中文|qt5解决读取中文文件中文的乱码

http://blog.youkuaiyun.com/songshu1007/article/details/42557371

QFile file("xxxx.txt");
QTextStream stream(file,QIODevice::ReadOnly);
stream.setCodeC( QTextCodec::codecForName("GB2312") );
stream.readAll();